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# SPDX-License-Identifier: AGPL-3.0-or-later
#
# PASST - Plug A Simple Socket Transport
#  for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
#  for network namespace/tap device mode
#
# test/udp/passt_in_ns - Check UDP functionality for passt in ns and pasta
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>

onlyfor	passt_in_ns
gtools	nc tee grep cat ip jq md5sum cut
nstools	nc tee grep cat ip jq md5sum cut
htools	printf dd nc tee grep cat ip jq md5sum cut

test	UDP/IPv4: host to guest
temp	TEMP
temp	NC_PID
guestb	(nc -u -q1 -4 -l 10001 & echo $! > nc.pic) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat nc.pic))
host	dd if=/dev/urandom bs=1k count=5 > __TEMP__ && printf "\nEND_OF_TEST\n" >> __TEMP__
host	cat __TEMP__ | nc -u -q1 -N 127.0.0.1 10001
guestw
hout	MD5 md5sum __TEMP__ | cut -d' ' -f1
gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
check	[ "__GUEST_MD5__" = "__MD5__" ]

test	UDP/IPv4: host to ns
temp	TEMP_NS
ns	:> __TEMP_NS__
nsb	(nc -u -q1 -4 -l 10002 & echo $! > __NC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
host	cat __TEMP__ | nc -u -q1 -N 127.0.0.1 10002
nsw
nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
check	[ "__NS_MD5__" = "__MD5__" ]

test	UDP/IPv4: guest to host
host	:> __TEMP__
hostb	(nc -u -q1 -4 -l 10003 & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
gout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
guest	cat test.bin | nc -u -q1 -N __GW__ 10003
hostw
hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
check	[ "__HOST_MD5__" = "__MD5__" ]

test	UDP/IPv4: guest to ns
ns	:> __TEMP_NS__
nsb	(nc -u -q1 -4 -l 10002 & echo $! > __NC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
guest	cat test.bin | nc -u -q1 -N __GW__ 10002
hostw
hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
check	[ "__HOST_MD5__" = "__MD5__" ]

test	UDP/IPv4: ns to host (recvmmsg/sendmmsg)
sleep	1
host	:> __TEMP__
hostb	(nc -u -q1 -4 -l 10003 & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
ns	cat __TEMP_NS__ | nc -u -q1 -N 127.0.0.1 10003
hostw
hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
check	[ "__HOST_MD5__" = "__MD5__" ]

test	UDP/IPv4: ns to host (via tap)
host	:> __TEMP__
hostb	(nc -u -q1 -4 -l 10003 & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
ns	cat __TEMP_NS__ | nc -u -q1 -N __GW__ 10003
hostw
hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
check	[ "__HOST_MD5__" = "__MD5__" ]

test	UDP/IPv4: ns to guest (using loopback address)
guestb	(nc -u -q1 -4 -l 10001 & echo $! > nc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat nc.pid))
ns	cat __TEMP_NS__ | nc -u -q1 -N 127.0.0.1 10001
guestw
gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
check	[ "__GUEST_MD5__" = "__MD5__" ]

test	UDP/IPv4: ns to guest (using namespace address)
guestb	(nc -u -q1 -4 -l 10001 & echo $! > nc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat nc.pid))
nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
nsout	ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
ns	cat __TEMP_NS__ | nc -u -q1 -N __ADDR__ 10001
guestw
gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
check	[ "__GUEST_MD5__" = "__MD5__" ]

test	UDP/IPv6: host to guest
guestb	(nc -u -q1 -6 -l 10001 & echo $! > nc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat nc.pid))
host	cat __TEMP__ | nc -u -q1 -N ::1 10001
guestw
gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
check	[ "__GUEST_MD5__" = "__MD5__" ]

test	UDP/IPv6: host to ns
ns	:> __TEMP_NS__
nsb	(nc -u -q1 -6 -l 10002 & echo $! > __NC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
host	cat __TEMP__ | nc -u -q1 -N ::1 10002
nsw
nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
check	[ "__NS_MD5__" = "__MD5__" ]

test	UDP/IPv6: guest to host
host	:> __TEMP__
hostb	(nc -u -q1 -6 -l 10003 & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
gout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
gout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
guest	cat test.bin | nc -u -q1 -N __GW6__%__IFNAME__ 10003
hostw
hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
check	[ "__HOST_MD5__" = "__MD5__" ]

test	UDP/IPv6: guest to ns
ns	:> __TEMP_NS__
nsb	(nc -u -q1 -6 -l 10002 & echo $! > __NC_PID__) | tee __TEMP_NS__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
guest	cat test.bin | nc -u -q1 -N __GW6__%__IFNAME__ 10002
hostw
hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
check	[ "__HOST_MD5__" = "__MD5__" ]

test	UDP/IPv6: ns to host (recvmmsg/sendmmsg)
host	:> __TEMP__
hostb	(nc -u -q1 -6 -l 10003 & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
ns	cat __TEMP_NS__ | nc -u -q1 -N ::1 10003
hostw
hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
check	[ "__HOST_MD5__" = "__MD5__" ]

test	UDP/IPv6: ns to host (via tap)
host	:> __TEMP__
hostb	(nc -u -q1 -6 -l 10003 & echo $! > __NC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __NC_PID__))
nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
ns	cat __TEMP_NS__ | nc -u -q1 -N __GW6__%__IFNAME__ 10003
hostw
hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
check	[ "__HOST_MD5__" = "__MD5__" ]

test	UDP/IPv6: ns to guest (using loopback address)
guestb	(nc -u -q1 -6 -l 10001 & echo $! > nc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat nc.pid))
ns	cat __TEMP_NS__ | nc -u -q1 -N ::1 10001
guestw
gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
check	[ "__GUEST_MD5__" = "__MD5__" ]

test	UDP/IPv6: ns to guest (using namespace address)
guestb	(nc -u -q1 -6 -l 10001 & echo $! > nc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat nc.pid))
nsout	ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
ns	cat __TEMP_NS__ | nc -u -q1 -N __ADDR6__ 10001
guestw
gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
check	[ "__GUEST_MD5__" = "__MD5__" ]